From 7a7c68d17773a38c99db8f458216fe43a57c8259 Mon Sep 17 00:00:00 2001
From: simon-siggaard <simon@siggaard.io>
Date: Fri, 20 Sep 2024 14:22:07 +0200
Subject: [PATCH] add support for Mermaid diagrams

---
 layouts/_default/_markup/render-codeblock-mermaid.html |  4 ++++
 layouts/_default/single.html                           | 10 +++++++++-
 2 files changed, 13 insertions(+), 1 deletion(-)
 create mode 100644 layouts/_default/_markup/render-codeblock-mermaid.html

diff --git a/layouts/_default/_markup/render-codeblock-mermaid.html b/layouts/_default/_markup/render-codeblock-mermaid.html
new file mode 100644
index 0000000..bb7bf42
--- /dev/null
+++ b/layouts/_default/_markup/render-codeblock-mermaid.html
@@ -0,0 +1,4 @@
+<pre class="mermaid">
+  {{- .Inner | safeHTML }}
+</pre>
+{{ .Page.Store.Set "hasMermaid" true }}
\ No newline at end of file
diff --git a/layouts/_default/single.html b/layouts/_default/single.html
index 9282d4e..000977a 100644
--- a/layouts/_default/single.html
+++ b/layouts/_default/single.html
@@ -70,6 +70,14 @@ <h1 class="single-title">{{ .Title }}</h1>
     {{ end }}
   </div>
 
+  {{ if .Store.Get "hasMermaid" }}
+  <script type="module">
+    import mermaid from 'https://cdn.jsdelivr.net/npm/mermaid/dist/mermaid.esm.min.mjs';
+    mermaid.initialize({ startOnLoad: true });
+  </script>
+  {{ end }}
+
+
   {{/* Next prev controls */}}
 
   {{ if not (.Param "hidePagination") }}
@@ -88,4 +96,4 @@ <h1 class="single-title">{{ .Title }}</h1>
 
 </div>
 
-{{ end }}
+{{ end }}
\ No newline at end of file